fix(api): correct API endpoints and CLI tools

[laurent-laporte-pro]

This PR includes updates to the API endpoints and CLI tools as per the provided change log.

Summary

• Updated the construction of UploadFile objects in unit tests to accommodate changes in Starlette's API (>= 0.24).
• Updated stream file download tests for compatibility with both Requests and Httpx.
• Prepared for migration from Requests to httpx by adjusting imports and usage in LDAP, command line tools, and GUI code.
• Corrected and updated integration tests for Starlette >= 0.21, which introduced changes to the TestClient implementation.
• Corrected unit tests for Xpansion-related endpoints to use io.BytesIO for file uploads instead of io.StringIO.
• Corrected the response model for the update_area_ui endpoint to return None.
• Corrected JSON payloads for endpoints related to "table mode" to properly convert enumerated values into strings.
• Corrected the endpoint for HTTPStatus.NO_CONTENT (204) and updated the response model to None.

Related Issues

Fixes #1724

[commit-lint]

Bug Fixes

• api: Correct endpoint for HTTPStatus.NO_CONTENT (204) (b70bc97)
• api: correct update_area_ui endpoint response model (963f5ee)

Tests

• api: correct JSON payloads for "table mode" (41b2cc8)
• api: correct unit tests for Xpansion-related endpoints to use bytes for file upload (7936312)
• api: update integration tests for Starlette 0.21.0 (ec3c7b7)
• api: update stream file download tests for compatibility with Requests and Httpx (ce6bdc5)
• api: update UploadFile object construction for Starlette >= 0.24 (d9c5152)

Code Refactoring

• tools: prepare for migration from Requests to httpx (f494188)

Continuous Integration

• change the configuration of mypy to ignore httpx package (6eab8ac)

Contributors

laurent-laporte-pro

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